20890551

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{1429}}^1$

素因数の和:1886

約数の個数: 16

約数和(自身を含む): 30476160

約数和(自身を除く): 9585609

約数列:

[1, 3, 11, 33, 443, 1329, 1429, 4287, 4873, 14619, 15719, 47157, 633047, 1899141, 6963517, 20890551]

約数ペア:

[(1, 20890551), (3, 6963517), (11, 1899141), (33, 633047), (443, 47157), (1329, 15719), (1429, 14619), (4287, 4873)]